Exhibit 12(a)
Aon Corporation and Consolidated Subsidiaries
Combined With Unconsolidated Subsidiaries
Computation of Ratio of Earnings to Fixed Charges
Nine Months
Ended Sept. 30, Years Ended December 31,
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(millions except ratios) 1997 1996 1996 1995 1994 1993 1992(1)
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Income from continuing operations
before provision for income taxes (2) $ 344.9 $ 374.9 $ 445.6 $ 458.0 $ 397.0 $ 331.6 $ 179.1
Add back fixed charges:
Interest on indebtedness 49.3 32.9 44.7 55.5 46.4 42.3 41.9
Interest on ESOP 2.8 3.5 4.3 5.3 5.9 6.5 6.9
Portion of rents representative of
interest factor 44.2 20.0 28.6 21.4 28.7 26.1 19.2
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Income as adjusted $ 441.2 $ 431.3 $ 523.2 $ 540.2 $ 478.0 $ 406.5 $ 247.1
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Fixed charges:
Interest on indebtedness $ 49.3 $ 32.9 $ 44.7 $ 55.5 $ 46.4 $ 42.3 $ 41.9
Interest on ESOP 2.8 3.5 4.3 5.3 5.9 6.5 6.9
Portion of rents representative of
interest factor 44.2 20.0 28.6 21.4 28.7 26.1 19.2
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Total fixed charges $ 96.3 $ 56.4 $ 77.6 $ 82.2 $ 81.0 $ 74.9 $ 68.0
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Ratio of earnings to fixed charges 4.6 7.6 6.7 6.6 5.9 5.4 3.6
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Ratio of earnings to fixed charges (3) 6.4 8.2 7.9 4.9
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<FN>
(1) Income from continuing operations before provision for income taxes
excludes the cumulative effect of changes in accounting principles.
(2) Income from continuing operations before provision for income taxes and
minority interest includes special charges of $172 million and $30.2
million for nine months ended September 30, 1997 and 1996, respectively,
and $90.5 million and $86.5 million in the years ended December 31, 1996
and 1992, respectively.
(3) The calculation of this ratio of earnings to fixed charges reflects the
exclusion of special charges from the income from continuing operations
before provision for income taxes component for the nine months ended
September 30, 1997 and 1996, respectively, and the years ended December 31,
1996 and 1992, respectively.
</FN>